From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
The lining and setting of a 21-G.IV clutch.
| Identifier | ExFiles\Box 5a\4\ 04-page041 | |
| Date | 25th April 1934 | |
| X5520 To RIC. He/Rm.{William Robotham - Chief Engineer}S/KW.25.4.34. 21-G.IV CLUTCH. Will you please line this clutch with the standard RAD.11 handed to you, and at the same time revert to the intermediate setting of the back plate; i.e., 25 lb. springs and .012" separation. He/Rm.{William Robotham - Chief Engineer} | ||